Patents
Patents for H04M 7 - Arrangements for interconnection between switching centres (24,777)
11/2013
11/26/2013US8594299 Intelligent formatting of VoIP telephone numbers
11/26/2013US8594294 System and method for initiating a conference call
11/26/2013US8594078 Method and apparatus for stand-alone voice over internet protocol with POTS telephone support
11/26/2013US8593993 Method and apparatus for self-learning of call routing information
11/26/2013US8593978 Peer-to-peer telephone system
11/26/2013US8593975 Non-intrusive monitoring of quality levels for voice communications over a packet-based network
11/26/2013CA2555650C Method and apparatus for placing a long distance call based on a virtual phone number
11/26/2013CA2533514C Multi-user call waiting
11/20/2013EP2479969B1 A network abstraction gateway and corresponding method to abstract an endpoint
11/20/2013EP1920580B1 Method, terminal device and communication system for programming a button of a communication terminal device
11/20/2013CN103402037A Method for communication of uniform signaling among different application modules in VOIP (voice over internet protocol) network telephone
11/20/2013CN103402036A DTMF (dual-tone multifrequency) decoding method and system based on Android system navigator
11/20/2013CN103402035A Incoming call group ringing method based on Autop+SIP (Session Initiation Protocol)
11/20/2013CN103402034A Method for realizing real-time control of teleconference by utilizing 2G (second generation) voice channel
11/20/2013CN103401890A Notification of communication events
11/20/2013CN101606378B Method and system for a communication session initialization in a telecommunication network
11/19/2013US8588770 System and method for cellphone to cell phone signal transmission via the internet
11/19/2013US8588388 Telephone system and server apparatus and control method used in telephone system
11/19/2013US8588213 Systems and methods for generating power in a communications system
11/19/2013US8588073 Voice and data exchange over a packet based network
11/14/2013US20130304477 Computer, Internet and Telecommunications Based Network
11/14/2013US20130301479 Internet Protocol (IP) Address Exchange Service
11/14/2013US20130301084 Facsimile to e-mail communication system with local interface
11/13/2013EP2663067A1 Home gateway with standby state support
11/13/2013EP2663066A1 Home gateway with standby state support
11/13/2013EP2661871A1 Networking between voip -and pstn- calls
11/13/2013CN203289594U An interconnected and intercommunicated dispatching command system
11/13/2013CN103391380A VoIP (voice over internet protocol) terminal of USB (universal serial bus) interface
11/13/2013CN103391379A Home gateway with standby state support
11/13/2013CN103391378A VOIP calling method, device and system
11/13/2013CN103391293A System and method for realizing cordless phone by virtue of home gateway and smart phone
11/13/2013CN101953218B Dynamic transcoder placement
11/12/2013US8582749 Method and apparatus for connecting packet telephony calls between secure and non-secure networks
11/12/2013US8582735 System and method for monitoring and handling telecommunication activity via a computer network
11/12/2013US8582577 Modem with voice processing capability
11/07/2013US20130297809 Providing telephony services to terminals behind a firewall and/or a network address translator
11/07/2013US20130294589 System, method and software for a speech-enabled call routing application using an action-object matrix
11/07/2013US20130294443 Networking between voip -and pstn- calls
11/07/2013US20130294243 System and method for re-routing calls
11/06/2013EP2661066A1 Multi-modal conferencing
11/06/2013CN1669258B Call transfer using session initiation protocol (sip)
11/06/2013CN103384296A Dialing system and dialing method
11/06/2013CN102469221B IP (Internet Protocol) telephone call processing method and system as well as IP telephone and voice server
11/06/2013CN102196101B Method for calling back extension number and method, equipment and system for searching extension number
11/06/2013CN102111459B Call maintenance method and device in active/standby switching of IP voice equipment
11/06/2013CN101969516B Communication apparatus and control method thereof
11/06/2013CN101682674B Methods, systems, and computer program products for using a location routing number based query and response mechanism to route calls to ip multimedia subsystem (ims) subscribers
11/05/2013US8578390 Method and apparatus for providing a real-time message routing communications manager
11/05/2013US8577013 Automatic communications forwarding to displaced employees
11/05/2013US8576712 Method and apparatus for providing a reliable voice extensible markup language service
10/2013
10/31/2013US20130287199 Method, system and apparatus for implementing multimedia ring back tone service
10/31/2013US20130286900 Unified message system and method
10/30/2013CN103379234A Communication method and system of network voice terminal
10/30/2013CN103379233A Implementation method and system for DTMF out-band signal reception
10/30/2013CN103379232A Communication server, communication terminal and voice communication method
10/30/2013CN102271196B Communication system with low bit rate voice gateway
10/30/2013CN102025706B Method and system for registering enterprise VoIP (Voice over Internet Phone) terminal
10/30/2013CN101494698B Telephony system
10/29/2013US8571198 Handling redirect calls
10/29/2013US8571194 System and method for initiating a conference call
10/29/2013US8571182 Systems and methods of masking non-service affecting alarms in a communication system
10/29/2013US8570906 Method and apparatus for assigning a virtual number during porting of a primary number
10/24/2013US20130279684 Communication device answering enhancement system and method
10/24/2013US20130279683 Systems and methods for call screening
10/24/2013US20130279682 Methods, Systems, and Computer Program Products for Processing a Nature of Address Indicator and/or Calling Party Number to Support Telecommunication Features
10/24/2013US20130279681 Method and end-user device for messaging
10/24/2013US20130279674 Automated Electronic Telecommunications Order Translation and Processing
10/24/2013US20130279498 Method for dialing from internet extension to conventional extension
10/24/2013US20130279495 Systems and methods of providing communications services
10/23/2013EP2654281A2 Communication method, system and apparatus
10/23/2013EP2654278A1 Network maintenance system, method and device
10/23/2013CN103369161A Implementation method and system for communication by using intelligent roaming terminal
10/23/2013CN103369160A Implementation method and system for communication by using intelligent roaming terminal
10/23/2013CN103369159A Call processing method and call processing device
10/23/2013CN102185986B Service registration method and equipment
10/23/2013CN102148910B Office software and enterprise private branch exchange (PBX) combined operation system and method
10/22/2013US8565727 Communication session permissions in wireless communication systems
10/22/2013US8565418 Method, device and system for extending channels
10/22/2013US8565407 Systems and methods for allocation of telephony resources on-demand
10/22/2013US8565405 Telephone call handling
10/22/2013US8565391 Voice message intermediary
10/22/2013US8565245 Terminal-to-terminal communication connection control method using IP transfer network
10/22/2013US8565222 Enterprise contact server with enhanced routing features
10/22/2013US8565127 Voice-activity detection based on far-end and near-end statistics
10/22/2013US8565125 Services based two way voice service recording and logging
10/22/2013CA2556933C Captioned telephone service
10/17/2013US20130275132 Method and Apparatus for Automatically Building Conversational Systems
10/17/2013US20130272299 Multi-protocol telecommunications routing optimization
10/17/2013US20130272298 VOICE OVER NETWORK (VoN)/VOICE OVER INTERNET PROTOCOL (VoIP) ARCHITECT HAVING HOTLINE AND OPTIONAL TIE LINE
10/17/2013US20130272161 System and method for indicating classification of a communications flow
10/17/2013DE10085359B3 Kommunikationssystem und darin verwendetes Verfahren Communication system and method used therein
10/16/2013EP2649785A1 Propagating user status information accross computing resources including a voicemail server
10/16/2013CN103354589A Voip telecommunications switch
10/16/2013CN103354588A Determination method, apparatus and system for recording and playing sampling rate
10/15/2013US8560717 Method and system for implementing video call service and video interworking gateway device
10/15/2013US8560673 Methods, systems and products for presenting information correlated to communications
10/15/2013US8560009 Multicarrier techniques for wireless systems
10/15/2013US8559615 Contact server for call center
10/15/2013US8559614 Systems and methods of providing multi-homed tandem access
10/15/2013US8559613 Method and system for performing communication transfer service for access gateway control function user
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